The Guide to Cotton Dye: the Best Dye and Practices！

In the textile industry, different fabrics are dyed with different dyes. Cotton, one of the most common fabrics, is the best choice for dyeing because of its high water absorbency. The purpose of this article is to introduce the selection and process of cotton dyeing, and to answer questions that are widely used in daily life and in the textile industry.

Dyes Commonly Used in Cotton

Direct Dyes

Cotton is extremely absorbent, so direct dyes are a common method of dyeing. Its advantages are that it is easy to work with, and the dyeing results are full and colorful. However, direct dyes require high light fastness and are suitable for fabrics with low color requirements in daily life.

Reactive dyes

Reactive dyes are also a common choice in cotton dyeing. They are characterized by bright colors, durability and insensitivity to sunlight. The combination between reactive dyes and fibers is relatively tight, resulting in excellent fastness and durability of the dyed cotton fabrics.

Sulfur dyes

Sulphide dyes are suitable for dyeing cotton fabrics with rich color and high fastness. These dyes have a strong adsorption effect on cotton fibers, which ensures that the colors remain vivid for a long time.

Traditional Dyeing Process

The dyeing process of cotton fabrics includes fabric preparation, washing, bleaching, dyeing and post-treatment (dehydration, shaping). A standardized dyeing process is essential to ensure the quality of cotton dyeing. The article emphasizes the importance of standardizing the process and avoiding common mistakes to ensure consistent and long-lasting dyeing results.

Dye selection for different fabric types

During the dyeing process, different types of dyes are required for different fabric types. This article describes the dyeing options for common fabrics other than cotton:

Natural fibers such as linen, rayon and bamboo are suitable for reactive dyes;

Protein fibers such as wool, silk and nylon are suitable for acid dyes;

Synthetic fibers such as polyester and acrylic for disperse dyes.

Conclusion

When dyeing fabrics, choosing the right dyes is the key to ensuring long-lasting colors and consistent fabric quality. Through this article, you will gain a deeper understanding of the dyeing methods and processes for cotton fabrics. We hope this guide will help you make more informed choices during the dyeing process. For more information, please visit our related articles page.